<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 靠右的按钮 -->
      <page-tools>
        <template v-slot:after>
          <el-button type="primary" size="small" @click="addPermission(1, '0')">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table
        :data="list"
        border=""
        row-key="id"
      >
        <el-table-column label="名称" prop="name" />
        <el-table-column label="标识" prop="code" />
        <el-table-column label="描述" prop="description" />
        <el-table-column label="操作">
          <template slot-scope="{ row }">
            <el-button v-if="row.type === 1" type="text" @click="addPermission(2, row.id)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)"> 删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--TAG 放置一个弹层 用来编辑新增节点 -->
      <el-dialog title="新增权限" :visible="showDialog" @close="btnCancel">
        <!-- 表单 -->
        <el-form ref="permForm" :model="formData" :rules="rules" label-width="120px">
          <el-form-item label="权限名称" prop="name">
            <el-input v-model="formData.name" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限标识" prop="code">
            <el-input v-model="formData.code" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" style="width:90%" />
          </el-form-item>
          <el-form-item label="开启">
            <el-switch
              v-model="formData.enVisible"
              active-value="1"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>
        <el-row slot="footer" type="flex" justify="center">
          <el-col :span="6">
            <el-button size="small" type="primary" @click="btnOK">确定</el-button>
            <el-button size="small" @click="btnCancel">取消</el-button>
          </el-col>
        </el-row>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getPermissionList, addPermission, getPermissionDetail, updatePermission, delPermission } from '@/api/permission'
import { tranListToTreeData } from '@/utils'
export default {
  name: 'Permission',
  components: {},
  props: {},
  data () {
    return {
      list: [],
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      },
      showDialog: false
    }
  },
  computed: {},
  watch: {},
  created () {
    this.getPermissionList()
  },
  mounted () {},
  methods: {
    // TAG 获取所有权限点
    async getPermissionList () {
      const data = await getPermissionList()
      // console.log(data)
      // console.log(tranListToTreeData(data, '0'))
      this.list = tranListToTreeData(data, '0')
    },
    // TAG添加权限点
    addPermission (type, id) {
      this.showDialog = true
      this.formData.type = type
      this.formData.pid = id
    },
    // TAG 更新权限点
    async editPermission (id) {
      this.showDialog = true
      this.formData = await getPermissionDetail(id)
    },
    // TAG 删除权限点
    async delPermission (id) {
      try {
        await this.$confirm('此操作将永久删除该权限点, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
        await delPermission(id)
        this.$message.success('删除成功')
        this.getPermissionList()
      } catch (err) {
        console.log(err)
      }
    },
    // 确认按钮
    async btnOK () {
      try {
        await this.$refs.permForm.validate()
        if (this.formData.id) {
          // HACK 此时编辑
          await updatePermission(this.formData)
          this.$message.success('编辑成功')
        } else {
          // HACK 此时添加
          await addPermission(this.formData)
          this.$message.success('添加成功')
        }
        this.showDialog = false
        this.getPermissionList()
      } catch (err) {
        console.log(err)
      }
    },
    // 取消按钮
    btnCancel () {
      this.showDialog = false
      // 重置表单
      this.formData = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      }
      // 重置验证规则
      this.$refs.permForm.resetFields()
    }
  }

}
</script>

<style scoped lang="scss">

</style>
